PM3351 Datasheet, PDF (32/268 Pages) PMC-Sierra, Inc – Single-Port 10/100 Mbit/s Ethernet Switch

DATA SHEET
PMC-970113
ISSUE 3
PM3351 ELAN 1X100
SINGLE PORT FAST ETHERNET SWITCH
MII Interface
Parameter
Ftsc
Ttch/Ttcl
Ttod
Description
TX_CLK frequency
TX_CLK duty cycle (high/low)
Output delay from TX_CLK rising to TXD[3:0],
TX_EN
MIN MAX Units
0
25 MHz
35 65 Percent
0
20 nsec
Ftsc
TX_CLK
Ttod
TXD[3:0],
TX_EN
MII Interface Transmit Signals
Parameter
Frpc
Trch/Trcl
Trpsu
Trph
Description
RX_CLK frequency
RX_CLK duty cycle (high/low)
RXD[3:0], RX_DV, RX_ER setup to RX_CLK
RXD[3:0], RX_DV, RX_ER hold to RX_CLK
MIN MAX Units
0
25 MHz
35 65 Percent
8
nsec
8
nsec
RX_CLK
Trpsu
RXD[3:0]
RX_DV,
RX_ER
Frpc
Trph
Trpsu
Trph
MII Interface Receive Signals
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 26